Cranksets

The Shimano FC-M371 crankset for square bottom brackets features a rigid 2-piece construction and Hyperdrive SG-X chainrings. - Chain guard included - 9-speed

An attractive aluminum crank with hollow arms for lightweight, rigidity, and durability The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance. FEATURES - Optimal balance of stiffness, strength, weight and rotational performance - HOLLOWTECH II structure cuts weight yet maintains strength for better power transfer - Crank arm length: 160, 165, 170, 172.5, 175 mm - Gear combination: 50-34T, 52-36T - Q-factor: 148 mm

- Series: SORA - Crank Construction: 2-piece crank construction - Bottom Bracket: BB-RS500, BB-RS500-PB - Chain Line: 43.5 - 9-speed - Four-arm BCD

An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements. - Optimal balance of stiffness, strength, weight and rotational performance - Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting - 148mm Q-factor - 44.5mm chainline

- Alivio T4010 Octalink crankset - Material: Aluminum - Chain Compatibility: HG 9-speed - Pedal Spindle: 9/16'' - Bottom Bracket: Not included—BB-ES300 or BB-ES51, 126mm - Removable chainguard

- Material: Aluminum - Chain Compatibility: Super narrow HG 9 speed - Pedal Spindle: 9/16'' - Bottom Bracket: Not included - BB-UN26 or BB-UN55, 123mm

The Shimano Dura-Ace FC-R9200 crank performs two vital functions; transferring your pedaling effort into the drivetrain and ensuring the fastest, most precise front shifting available. With HOLLOWTECH II crank arms to ensure light weight and Shimano's class-leading chainring designs, the FC-R9200 won't let you down. - Optimal balance of stiffness, strength, weight and rotational performance - HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting - 148mm Q-factor - 44.5mm chainline

- 2-PIECE CRANKSET for 142 mm or 148 mm O.L.D. frames - DYNAMIC CHAIN ENGAGEMENT+ improves chain engagement and retention - Q-factor 172 mm - Direct mount chainring - Chain Line 52 mm - 1x12-speed

- 2-PIECE CRANKSET for 157 mm O.L.D. frames - DYNAMIC CHAIN ENGAGEMENT+ improves chain engagement and retention - Q-factor 181 mm - Direct mount chainring - Chain Line 56.5 mm - 1x12-speed

- Non-series FC-MT210-2 / MT210-B2 double crankset for 2 x 9 speed drivetrains - Shimano's most affordable, outboard bearing Hollowtech II cranks - Simpler and faster shifting than triple cranks - 22-36 gearing, perfect for trail riding - Chainline: 48.8mm chainline (FC-MT210-2), for 135mm/142mm frames, or 51.8mm (FC-MT210-B2), for Boost 141mm/148mm frames - Aluminum crank arms - Highly durable riveted steel chainrings - Requires SM-BB52 bottom bracket, not included

Offering all the precision and functionality of the DURA-ACE power meter, the ULTEGRA FC-R8100-P power meter comes in a more affordable package. Scientific training requires accurate measurement and user-friendliness, and the new ULTEGRA R8100 power meter has both. Its dual-sided measurement is accurate within 1.5% and zero offset calibration is a quick and easy process. Perhaps most importantly, its long battery life, easy recharge, and ANT+ and Bluetooth®LE connectivity makes using and recording your workouts easier than ever. Integrated, waterproof, and rechargeable Li-ion battery - Up to 300+ hours (TBD*) of ride time * Depending on ANT+/Bluetooth®LE settings Accurate data collection - ±1.5% (TBD*) strain gage accuracy throughout the entire calibration range * Depending on ANT+/Bluetooth®LE settings - Proprietary strain gauge Possible to start quickly - Simple zero offset calibration with switch on transmitter Active temperature compensation - Software automatically compensates for temperature changes

- XT M8100 12 speed crankset - Fits Boost and non-Boost MTB - Hollow forged crank maximizes power transfer while limiting weight - Direct mount chainring type - Chainline : 52mm

- XT M8120 12 speed crankset - Fits 148mm Boost MTB frames - Greater clearance allows wider tires than FC-M8100 - Hollow forged crank maximizes power transfer while limiting weight - Direct mount chainring type (TL-FC41 tool included) - Q-factor : 178mm - Chainline : 55mm

- XT M8130 12 speed crankset - Fits 157mm SuperBoost MTB frames - Hollow forged crank maximizes power transfer while limiting weight - Direct mount chainring type - Q-factor : 181mm - Chainline : 56.5mm